LyondellBasell (NYSE: LYB) CFO granted 20,158 RSUs, withholds shares for tax

Rhea-AI Filing Summary

LyondellBasell Industries N.V. executive vice president and chief financial officer Agustin Izquierdo Sabido reported equity compensation transactions in the company’s Class A ordinary shares. On February 28, 2026, he acquired 20,158 shares at $0.00 per share as a grant or award, bringing his reported direct holdings to 33,544 shares afterward.

Footnotes explain that these 20,158 shares relate to restricted stock units (RSUs) granted under the long‑term incentive plan, scheduled to vest in three equal tranches on February 28, 2027, February 28, 2028, and February 28, 2029. On February 27, 2026, 2,819 RSUs vested and 713 shares were disposed of at $57.52 per share to cover tax withholding obligations rather than an open‑market sale.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Izquierdo Sabido Agustin

(Last) (First) (Middle)

4TH FLOOR

ONE VINE STREET

(Street)

LONDON X0 W1J 0AH

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
LyondellBasell Industries N.V. [ LYB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Ordinary Shares	02/27/2026		F		713(1)	D	$57.52	13,386(2)	D
Class A Ordinary Shares	02/28/2026		A		20,158	A	$0.00	33,544(3)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. On February 27, 2026 the reporting person's restricted stock units automatically vested 2,819 shares. 713 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.

2. Represents 6,240 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 242 granted on February 22, 2024 that vest on February 22, 2027; 182 granted on April 15, 2024 that vest on April 15, 2026; 182 granted on April 15, 2024 that vest on April 15, 2027; 2,817 granted on February 27, 2025 that vest on February 27, 2027 and 2,817 granted on February 27, 2025 that vest on February 27, 2028.

3. Represents 26,398 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 242 granted on February 22, 2024 that vest on February 22, 2027; 182 granted on April 15, 2024 that vest on April 15, 2026; 182 granted on April 15, 2024 that vest on April 15, 2027; 2,817 granted on February 27, 2025 that vest on February 27, 2027 and 2,817 granted on February 27, 2025 that vest on February 27, 2028. The 20,158 RSUs reported on this Form 4 vest as follows: 6,720 vest on February 28, 2027, 6,719 vest on February 28, 2028 and 6,719 vest on February 28, 2029.

Remarks:

	/s/ Lara A. Mason, Attorney-in-Fact	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What did LyondellBasell (LYB) CFO report in this Form 4 filing?

The filing shows LyondellBasell’s CFO Agustin Izquierdo Sabido received an equity grant and a related tax withholding. He acquired 20,158 Class A ordinary shares at no cost and had 713 shares withheld to satisfy tax obligations tied to RSU vesting.

How many LyondellBasell (LYB) shares were granted to the CFO?

Agustin Izquierdo Sabido was granted 20,158 Class A ordinary shares as a stock award. These shares are linked to restricted stock units under the company’s long-term incentive plan and were reported at a price of $0.00 per share in the transaction data.

How will the 20,158 RSUs for LyondellBasell (LYB) CFO vest over time?

The 20,158 RSUs are scheduled to vest in three equal installments. According to the footnotes, 6,720 vest on February 28, 2027, 6,719 vest on February 28, 2028, and 6,719 vest on February 28, 2029 under the long-term incentive plan.

Why were 713 LyondellBasell (LYB) shares disposed of in this Form 4?

The 713 shares were withheld to satisfy the issuer’s tax withholding obligations when 2,819 restricted stock units vested on February 27, 2026. The transaction is coded as a tax-withholding disposition, not an open-market sale, at a reported price of $57.52 per share.

How many LyondellBasell (LYB) shares does the CFO hold after these transactions?

After the February 28, 2026 award, the CFO’s direct ownership is reported as 33,544 Class A ordinary shares. This total reflects his holdings following the grant of 20,158 shares, as shown in the non-derivative transaction data in the Form 4.

What restricted stock units (RSUs) remain outstanding for the LyondellBasell (LYB) CFO?

Footnotes state the CFO holds 26,398 RSUs granted under the long-term incentive plan. These include multiple prior grants with vesting dates in 2026, 2027, and 2028, plus the 20,158 RSUs that vest annually from 2027 through 2029.